ZCZC NFDTCPAT3 ALL TTAA00 KWNH DDHHMM BULLETIN Tropical Depression Hanna Advisory Number 18 NWS Weather Prediction Center College Park MD AL082020 400 AM CDT Mon Jul 27 2020 ...TROPICAL DEPRESSION HANNA OVER NORTHERN MEXICO... ...HEAVY RAIN AND DANGEROUS FLASH FLOODING CONTINUE OVER NORTHEAST MEXICO... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...24.1N 102.9W ABOUT 65 MI...105 KM N OF FRESNILLO MEXICO MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- Interests in Mexico should monitor monitor products issued by the Mexican national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 AM CDT (0900 UTC), the center of Tropical Depression Hanna was located near latitude 24.1 North, longitude 102.9 West. The depression is moving toward the west near 5 mph (7 km/h) and this motion is expected to continue today. Maximum sustained winds are near 25 mph (35 km/h) with higher gusts. Hanna will weaken into a remnant low today. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Hanna is expected to produce the following rain accumulations and flood threats through Monday: Far South Texas...Additional 1 to 2 inches. Northern Mexican states of Coahuila, Nuevo Leon, Tamaulipas...4 to 8 inches. Flash flooding and mudslides are possible across these Mexican states. Northern Mexican states of northern Zacatecas, northern San Luis Potosi, and eastern Durango...1 to 2 inches. SURF: Swells generated by Hanna will continue to affect much of the Texas and northeastern Mexico coasts early today. These swells may cause rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the Weather Prediction Center on this system. $$ Forecaster Petersen FORECAST POSITIONS AND MAX WINDS INIT 27/0900Z 24.1N 102.9W 20 KT 25 MPH 12H 27/1800Z 24.1N 103.6W 15 KT 15 MPH...INLAND/REMNT LOW 24H 28/0600Z...INLAND/REMNT LOW NNNN
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